<template>
	<view v-if="goods_info.goods_name" class="goods-detail-container">
    <!-- 轮播图区域 -->
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" circular="true">
		  <swiper-item v-for="(item,i) in goods_info.pics" :key="i">
          <image :src="item.pics_big" @click="preview(i)"></image>
		  </swiper-item>
		</swiper>
    
    <!-- 商品信息区域 -->
    <view class="goods-info-box">
      <!-- 商品价格 -->
      <view class="price">￥{{goods_info.goods_price}}</view>
      <!-- 商品信息主体区域 -->
      <view class="goods-info-body">
        <!-- 商品的名字 -->
        <view class="goods-name">{{goods_info.goods_name}}</view>
        <!-- 收藏 -->
        <view class="favi">
          <uni-icons type="star" size="18" color="gray"></uni-icons>
          <text>收藏</text>
        </view>
      </view>
      <!-- 运费 -->
      <view class="yf">快递：免运费</view>
    </view>
    
    <rich-text :nodes="goods_info.goods_introduce"></rich-text>
    <!-- 商品导航组件区域 -->
    <view class="goods_nav">
      <uni-goods-nav :fill="true"  :options="options" :buttonGroup="buttonGroup"  @click="onClick" @buttonClick="buttonClick" />
    </view>
	</view>
  
  
</template>

<script>
  import { mapState, mapMutations, mapGetters } from 'vuex'
	export default {
    computed:{
      ...mapState('m_cart',[]),
      ...mapGetters('m_cart',['total'])
    },
    watch:{
      // total(newVal){
      //   const findResult = this.options.find(x => x.text==='购物车')
      //   if(findResult){
      //     findResult.info = newVal
      //   }
      // }
      total:{
        handler(newVal){
          const findResult = this.options.find(x => x.text==='购物车')
            if(findResult){
              findResult.info = newVal
            }
        },
        immediate:true
      }
    },
		data() {
			return {
				goods_info:[],
        options: [{
                    icon: 'shop',
                    text: '店铺',
                    infoBackgroundColor:'#007aff',
                    infoColor:"red"
                }, {
                    icon: 'cart',
                    text: '购物车',
                    info: 0
                }],
                buttonGroup: [{
                  text: '加入购物车',
                  backgroundColor: '#ff0000',
                  color: '#fff'
                },
                {
                  text: '立即购买',
                  backgroundColor: '#ffa200',
                  color: '#fff'
                }
                ]
			};
		},
    onLoad(options){
      console.log(options)
      const goods_id = options.goods_id
      this.getGoodsDetail(goods_id)
    },
    methods:{
       ...mapMutations('m_cart', ['addToCart']),
      async getGoodsDetail(goods_id){
        const {data:res} = await uni.$http.get('/api/public/v1/goods/detail', {goods_id})
        console.log(res)
        if(res.meta.status!== 200) return uni.$showMsg()
        
        res.message.goods_introduce = res.message.goods_introduce.replace(/<img /g,'<img style="display:block;"').replace(/webp/g,'jpg')
        this.goods_info = res.message
      },
      preview(i){
        uni.previewImage({
          current:i,
          urls:this.goods_info.pics.map(x=>x.pics_big)
        })
      },
      onClick(e){
        // console.log(e)
        if(e.content.text === '购物车'){
          uni.switchTab({
            url:'/pages/cart/cart'
          })
        }
      },
      buttonClick(e){
        console.log(e)
        if(e.content.text === '加入购物车'){
          // 组织商品的信息对象
          // { goods_id, goods_name, goods_price, goods_count, goods_small_logo, goods_state }
          
          const goods = {
                   goods_id: this.goods_info.goods_id,       // 商品的Id
                   goods_name: this.goods_info.goods_name,   // 商品的名称
                   goods_price: this.goods_info.goods_price, // 商品的价格
                   goods_count: 1,                           // 商品的数量
                   goods_small_logo: this.goods_info.goods_small_logo, // 商品的图片
                   goods_state: true                         // 商品的勾选状态
                }
          // 调用addToCard方法
          this.addToCart(goods)
        }
      }
    }
	}
</script>

<style lang="scss">
  swiper{
    height: 750rpx;
    
    image{
      width: 100%;
      height: 100%;
    }
  }
  .goods-info-box{
    padding:10px;
    padding-right: 0;
    .price{
      color: #C00000;
      font-size: 18px;
      margin: 10px 0;
    }
    .goods-info-body{
      display: flex;
      justify-content: space-between;
      .goods-name{
        font-size: 13px;
        margin-right: 10px;
      }
      .favi{
        width: 120px;
        font-size: 12px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        border-left: 1px solid #efefef;
        color:gray;
      }
    } 
    .yf{
      font-size: 12px;
      color: gray;
      margin:10px 0;
    }
  }
  .goods_nav{
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
  }
  .goods-detail-container{
    padding-bottom: 50px;
  }
</style>
